College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter P, Prerequisites - Section P.9 - Modeling with Equations - P.9 Exercises: 30

Answer

The husband earns \$32500.

Work Step by Step

The husband's salary is an unknown quantity ($x$) and the woman's is 15% more ($1.15*x$). The total is \$69875: $69875=x+1.15*x$ We solve for $x$: $69875=2.15*x$ $x=69875/2.15=32500$ Thus the husband earns \$32500 and the woman earns 1.15*32500=\$37375.
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